• Title/Summary/Keyword: Chungcheong region

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Analysis of Spatial-temporal Variability and Trends of Extreme Precipitation Indices over Chungcheong Province, South Korea (충청지역 극한강우지수의 시공간적 경향과 변동성 분석)

  • Bashir, Adelodun;Golden, Odey;Seulgi, Lee;Kyung Sook, Choi
    • Journal of The Korean Society of Agricultural Engineers
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    • v.64 no.6
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    • pp.101-112
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    • 2022
  • Extreme precipitation events have recently become a leading cause of disasters. Thus, investigating the variability and trends of extreme precipitation is crucial to mitigate the increasing impact of such events. Spatial distribution and temporal trends in annual precipitation and four extreme precipitation indices of duration (CWD), frequency (R10 mm), intensity (Rx1day), and percentile-based threshold (R95pTOT) were analyzed using the daily precipitation data of 10 observation stations in Chungcheong province during 1974-2020. The precipitation at all observation stations, except the Boryeong station, showed nonsignificant increasing trends at 95% confidence level (CL) and increasing magnitudes from the west to east regions. The high variability in mean annual precipitation was more pronounced around the northeast and northwest regions. Similarly, there were moderate to high patterns in extreme precipitation indices around the northeast region. However, the precipitation indices of duration and frequency consistently increased from the west to east regions, while those of intensity and percentile-based threshold increased from the south to east regions. Nonsignificant increasing trends dominated in CWD, R10 mm, and Rx1day at all stations, except for R10 mm at Boeun station and Rx1day at Cheongju and Jecheon stations, which showed a significantly increasing trend. The spatial distribution of trend magnitude shows that R10 mm increased from the west to east regions. Furthermore, variations in precipitation were very strongly correlated (99% CL) with R10 mm, Rx1day, and R95pTOT at all stations, except with wR10 mm at Cheongju station, which was strongly correlated with a 95% CL.

Analysis of domestic water usage patterns in Chungcheong using historical data of domestic water usage and climate variables (생활용수 실적자료와 기후 변수를 활용한 충청권역 생활용수 이용량 패턴 분석)

  • Kim, Min Ji;Park, Sung Min;Lee, Kyungju;So, Byung-Jin;Kim, Tae-Woong
    • Journal of Korea Water Resources Association
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    • v.57 no.1
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    • pp.1-8
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    • 2024
  • Persistent droughts due to climate change will intensify water shortage problems in Korea. According to the 1st National Water Management Plan, the shortage of domestic and industrial waters is projected to be 0.07 billion m3/year under a 50-year drought event. A long-term prediction of water demand is essential for effectively responding to water shortage problems. Unlike industrial water, which has a relatively constant monthly usage, domestic water is analyzed on monthly basis due to apparent monthly usage patterns. We analyzed monthly water usage patterns using water usage data from 2017 to 2021 in Chungcheong, South Korea. The monthly water usage rate was calculated by dividing monthly water usage by annual water usage. We also calculated the water distribution rate considering correlations between water usage rate and climate variables. The division method that divided the monthly water usage rate by monthly average temperature resulted in the smallest absolute error. Using the division method with average temperature, we calculated the water distribution rates for the Chungcheong region. Then we predicted future water usage rates in the Chungcheong region by multiplying the average temperature of the SSP5-8.5 scenario and the water distribution rate. As a result, the average of the maximum water usage rate increased from 1.16 to 1.29 and the average of the minimum water usage rate decreased from 0.86 to 0.84, and the first quartile decreased from 0.95 to 0.93 and the third quartile increased from 1.04 to 1.06. Therefore, it is expected that the variability in monthly water usage rates will increase in the future.

Regional Comparative Analysis on the Current Status of the Service Industry in Korea (국내 서비스산업의 현황에 대한 지역별 비교분석)

  • Park, Jong T.;Kim, Dong C.
    • Journal of Service Research and Studies
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    • v.4 no.2
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    • pp.37-47
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    • 2014
  • Service industry is a fundamental field that takes sustainable development of state economy. However the development of service industry in our economy doesn't yet compare to level of developed countries. It is supported by the recent statistics of our service industry. This paper shows regional comparative analysis about the current status of the service industry based on the number of establishments and workers. Using the data of census on establishments in 16 cities and provinces, we analyze the relative ratio for the number of establishments and workers in service industry among total industry in Seoul metropolitan, Gangwon, Chungcheong, Honam, Youngnam and Jeju region. Also we analyze the relative ratio by provinces in each region. We used the data of census on establishment for 7 years from 2006 to 2012, we calculated the relative ratio of the number of establishments and workers in service industry for the 6 regions. And we analyzed the relative ratio by provinces in each region.

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The Analysis of Importance Ratio Factors of Sales Price for Apartment Building Construction Projects (공동주택의 분양가 결정을 위한 영향요인 도출 및 중요도 분석)

  • Yang, Ok-Hee;Kim, Min-Seok;Hwang, Uk-Sun;Kim, Yong-Su
    • Korean Journal of Construction Engineering and Management
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    • v.12 no.5
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    • pp.127-136
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    • 2011
  • The purpose of this study is analyzed the importance ratio factors of sales price for apartment building construction projects. For this Study, Nine apartment buildings that sold in Seoul, Gyenggi, Chuncheong is selected. The study suggested eight influence factors through interview with experts, research related references, and analysis of cases. Based on those factors, Importance analysis is performed by using AHP method. The result of this study are as follows: 1) Influence factors of sales price are drawn as cost, site, housing, transportation, region, ground, policy, investment factor. 2) In the case of Seoul, The priority order of price influence factors consist of investment factor(16.0%), policy factor(14.6%), and cost factor(13.9%). In the case of Gyenggi, The priority order of sales price influence factors consist of region factor(15.9%), transportation factor(13.8%), and investment factor(13.4%). In the case of Chungcheong, The priority order of sales price influence factors consist of region factor(17.1%), transportation factor(16.4%), and housing factor(14.9%).

The comparative analysis of game capability by region -focus on the analysis of LQ index and CT R&D competence level- (게임산업의 권역별 역량 비교분석 - 입지분석과 CT R&D 역량지수 분석을 중심으로 -)

  • Kim, Yeon-Jeong;Yang, Dong-Woo
    • Journal of Digital Convergence
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    • v.9 no.3
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    • pp.133-144
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    • 2011
  • The purpose of this study are as follows. First, to analyze relative LQ index of the No. of game company, the No. of employee and the amount of revenue. Second, to analyze personal competence, resource competence, performance competence, network competence and environmental competence of regional game contents R&D. The results are as follows. The LQ index results of company are highest in seoul and Kyunggi area' And In case of except of seoul & kyunggi, the competence of R&D which is daekyung, dongnam, chungcheong are in order. In case of 5 game R&D competence, chungchung, seoul & kyunggi, honam region are in order. The core competence of chungchung region are ideal venture ecosystem among inter-supportive R&D research center, ETRI, university and company.

The Effect of Some Dental Clinic Workers' Working Environment and Health Habit Upon Their Musculoskeletal Disorder Subjective Symptom (일부 치과종사자들의 근무환경과 건강습관이 근골격계 자각증상에 미치는 영향)

  • Kim, Chang-Hee;Nam, Soo-Hyoun;Lee, Ji-Youn
    • Journal of dental hygiene science
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    • v.9 no.5
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    • pp.531-538
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    • 2009
  • This study examined the musculoskeletal symptom experience rate of some dental clinic workers and the factors influencing musculoskeletal symptoms according to their working environment and health habit. To that end, between March 9 and March 28, 2009, 200 workers at dental clinics in Chungcheong-do were surveyed using the self-administered questionnaire method. The data were analyzed using the SPSS WIN 12.0 program. The following conclusion was reached. 1. One-year musculoskeletal symptom experience rates of the subjects were categorized according to pans of the body: shoulders - 60.5%, lower limbs (legs, knees, and feet) - 57.0%, the lumbar region (back and waist) - 56.0%, the neck - 51.0% and the upper limbs (arms, wrists, and fingers) - 32.0%. 2. In general characteristics, a statistically significant difference was found according to gender, age, education, position, and oral health state. In working environments, a statistically significant difference was found according to work experience, the average daily number of patients handled, the average daily working hours, the posture for diagnosis, and satisfaction over work. In health habit, a statistically significant difference was found according to regular exercise, regular examination, and regular eating habit. 3. Factors influencing musculoskeletal symptoms were examined. As a result, influencing the musculoskeletal symptom experience were satisfaction over work among working environment characteristics, and regular exercise among health habit characteristics.

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A Study on the Feasibility of the Improvement of Traffic Congestion : Focusing on Small and Medium-Sized Cities in Chuncheong Province (중소도시 교통혼잡도로 적용범위에 관한 연구 : 충청권 중심으로)

  • Kwon, Hyun Joong;Oh, Ju Taek
    • The Journal of The Korea Institute of Intelligent Transport Systems
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    • v.18 no.3
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    • pp.34-45
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    • 2019
  • Based on the analysis of congestion conditions in small cities with a population of less than 500,000 in Chungcheong Province, this study conducted a feasibility study on the scope of congestion improvement projects. Further, traffic congestion management standards were further established by analyzing LOS as well as the speed of traffic presented by congestion criteria in the existing Project. According to the analysis according to the congestion management standard LOS suggested in this study, Asan city has the most major number of highways where LOS E occurs for more than 3 hours, followed by Sejong City and Gongju City. In addition, when comparing the ratio of the busy main roads according to the frequency of LOS E by city size, it was analyzed that the ratio and extension of the busy highways relative to the overall extension of the large Chungcheong area are similar to the ratio in small cities in the Chungcheong region. Therefore, traffic congestion occurred in small cities and the feasibility of the improvement project was revealed.

A Study on Gocheong Seogee's Philosophy and Learning (고청 서기의 학문과 사상)

  • 김창경
    • 유학연구
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    • v.46
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    • pp.1-24
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    • 2019
  • Gocheong Seogee is a Confucian scholar in the mid-Joseon period during which Confucian philosophy is not completely established as a national discipline. He was an authentic Seon-bi who helped boost Confusion philosophy in southern and northern parts of Chungcheong area including Daejeon, Nonsan, Gongjoo, Buyeo, Hongseong, Jochiwon as well as Boryeong and Dangjin. Following Seogee, Jangsaeng Kim, who had studied under Yulgok, strived to firm up Giho Confusion philosophy there. Influenced by his teacher Geeham Lee's pragmatical school whose main principle is loyal to their country and affectionate to their people, Seogee set his heart on living up to the same path as previous holy men had gone through rather than pursuing an overly speculative school only focused on Confucian scriptures. He seems to have put the virtues of pragmatic Confusion scholars into practice in accordance with the way Confucius and Mencius devoted themselves to their study and learning. He carried Hyangyak into effect, built the first Seowon in Chungnam area called Chunghyeon Seowon emulating Zhu Xi's Baeklokdong Seowon, and paid close attention to learning with Zhu Xi's portrait enshrined. Those things attest that he eagerly strive to put Confucianism into practice. Through these efforts, he gave a significant influence on establishing Confusion philosophy in southern and northern parts of Chungcheong area and trained lots of disciples like Leechang Song, Jaemoon Min - the teacher of Choryeo Yootae Lee - and so on. As a result, he laid a big foundation stone to develop Confusion culture in Naepo region. Therefore, his position should seem to be re-evaluated in Korean Confucian history. In a rigidly hierarchical social structure, he studied and interacted alongside with Geeham Lee, Heon Jo, Ikpeel Song, Sik Jo, and others with no thought of their lower social status and without any academic prejudices. These kinds of his mind-set and attitudes seem to be a precious example of embodying real Seon-bi spirit. So, I suggest Seogee's life has a substantial significance in strengthening personality education of the young today and composing media contents of local community.

bla Genotype and Molecular Epidemiological Analysis of Extended-Spectrum β-Lactamase-Producing Escherichia coli and Klebsiella pneumoniae in Chungcheong Regional Hospitals (충청지역병원에서 분리된 Extended-Spectrum β-Lactamase 생성 대장균과 폐렴간균의 bla 유전형 및 분자역학적 분석)

  • Yook, Keun Dol;Yang, Byoung Seon;Park, Jin Sook
    • Korean Journal of Microbiology
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    • v.50 no.2
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    • pp.114-118
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    • 2014
  • A total of 122 ESBL-producing intestinal bacteria were collected from regional hospitals in the Chungcheong area. Combination disk test (CDT) was performed for antimaicrobial susceptability using cefotaxime and cefotaxime/clavulanate according to Clinical Laboratory Standard Institute (CLSI). Mutiplex PCR using specific primers was performed for a detection of ESBL-genotypes and enterobacterial repetitive intergenic consensus (ERIC)-PCR was carried out for the tracking of molecular epidemiology. In the confirmation test using CDT, 73 out of 76 (96.1%) ESBL-producing Escherichia coli and 43 out of 46 (93.4%) ESBL-producing Klebsiella pnemoniae were positive. In the multiplex PCR, 60.5% of E. coil were positive for CTX-M-2 type gene and 56.5% of K. pneumoniae were positive for VEB -1 type gene. In the ERIC-PCR, E. coil isolates formed 5 clusters and K. pneumoniae isolates were grouped into 4 clusters depending on region. Genotypes of clinical isolates are useful for detection and differentiation of ESBL producing intestinal bacteria. The ERIC-PCR method is thought to be helpful for establishing a regional surveillance system for infection due to its formation of different clusters depending on region.

Socioeconomic vulnerability assessment of drought using principal component analysis and entropy method (주성분 분석 및 엔트로피 기법을 적용한 사회·경제적 가뭄 취약성 평가)

  • Kim, Ji Eun;Park, Ji Yeon;Lee, Joo-Heon;Kim, Tae-Woong
    • Journal of Korea Water Resources Association
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    • v.52 no.6
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    • pp.441-449
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    • 2019
  • Drought is a longer lasting and more extensive disaster than other natural disasters, resulting in significant socioeconomic damage. Even though drought events have same severity, their damage vary from region to region because of spatial, technical, economic, and social circumstances. In this study, drought vulnerability was assessed considering socioeconomic factors. Preliminary factors were identified from the case study for Chungcheong province, and evaluative factors were selected by applying the principal component analysis. The entropy method was applied to determine the weights of evaluative factors. As a result, in Chungcheong province, farm population, number of recipient of basic living, water fare gap indicator, area of industrial complex, amount of underground water usage, amount of water available per capita, water supply ratio, financial soundness for water resources, amount of domestic water usage, amount of agricultural water usage and agricultural land area were chosen as the evaluative factors. Among them, the factors associated with agriculture had larger weights. The overall assessment of vulnerability indicated that Cheongju, Dangjin and Seosan were the most vulnerable to drought.